#AD2A20#AD2A20

#AD2A20 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.169 H 29.1°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#AD2A20
RGB	rgb(173, 42, 32)
HSL	hsl(4, 69%, 40%)
HSV	hsv(4, 82%, 68%)
CMYK	cmyk(0%, 75.7%, 81.5%, 32.2%)
CIE-LAB	lab(38.98, 51.86, 38.28)
CIE-LCH	lch(38.98, 64.46, 36.43°)
OKLab	oklab(49.39% 0.1478 0.0822)
OKLCH	oklch(49.39% 0.169 29.1)
XYZ	xyz(18.3245, 10.6473, 2.4565)
Luminance	0.1064 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2A20 #20A3AD

analogous

#AD205D #AD2A20 #AD7020

triadic

#AD2A20 #20AD2A #2A20AD

tetradic

#AD2A20 #5DAD20 #20A3AD #7020AD

square

#AD2A20 #5DAD20 #20A3AD #7020AD

split-complementary

#AD2A20 #20AD70 #205DAD

monochromatic

#46110D #791D16 #AD2A20 #D93D31 #E26E65

Accessibility & contrast

On white

6.71

#AD2A20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AD2A20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A20

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2A20	#FFFFFF	#000000	##FFFFFF
##AD2A20	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491D

Deuteranopia (green-blind)

#73661A

Tritanopia (blue-blind)

#BF0029

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2a20;
/* rgb */ color: rgb(173, 42, 32);
/* oklch */ color: oklch(49.4% 0.169 29.1);

Tailwind

colors: {
  custom: {
    50: '#cf6e5d',
    500: '#ad2a20',
    950: '#000000',
  },
}

SCSS

$custom: #ad2a20;
$custom-light: #cf6e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2a20",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 32
  },
  "hsl": {
    "h": 4.255,
    "s": 68.78,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49391,
    "c": 0.16913,
    "h": 29.1
  },
  "luminance": 0.10644
}

Semantic roles & 50–950 ramp

primary

#AD2A20

secondary

#61C0C8

accent

#DFEC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD2A20

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →